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dmaengine: sh: Add DMAC driver for RZ/G2L SoC

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Add DMA Controller driver for RZ/G2L SoC.

Based on the work done by Chris Brandt for RZ/A DMA driver.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210806095322.2326-4-biju.das.jz@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Biju Das
2021-08-06 10:53:22 +01:00
committed by Vinod Koul
parent ab959c7d4e
commit 5000d37042
3 changed files with 981 additions and 0 deletions
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9
drivers/dma/sh/Kconfig
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@@ -47,3 +47,12 @@ config RENESAS_USB_DMAC
help
This driver supports the USB-DMA controller found in the Renesas
SoCs.
config RZ_DMAC
tristate "Renesas RZ/G2L DMA Controller"
depends on ARCH_R9A07G044 || COMPILE_TEST
select RENESAS_DMA
select DMA_VIRTUAL_CHANNELS
help
This driver supports the general purpose DMA controller found in the
Renesas RZ/G2L SoC variants.

1
drivers/dma/sh/Makefile
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@@ -15,3 +15,4 @@ obj-$(CONFIG_SH_DMAE) += shdma.o
obj-$(CONFIG_RCAR_DMAC) += rcar-dmac.o
obj-$(CONFIG_RENESAS_USB_DMAC) += usb-dmac.o
obj-$(CONFIG_RZ_DMAC) += rz-dmac.o

971
drivers/dma/sh/rz-dmac.c Normal file
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